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Finding the Fourth Proportional to 235,940.67, 325,669.28 and 160,532.91

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Solution

The fourth proportional to 235,940.67, 325,669.28 and 160,532.91 is: 221,583.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,940.67 : 325,669.28 = 160,532.91 : x
  2. Step 2: Convert to fraction form
    235,940.67/325,669.28 = 160,532.91/x
  3. Step 3: Cross multiply
    235,940.67x = 325,669.28 × 160,532.91
  4. Step 4: Simplify right side
    235,940.67x = 52,280,636,413.34
  5. Step 5: Solve for x
    x = 52,280,636,413.34/235,940.67
  6. Step 6: Final answer
    x = 221,583.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.